The ROUND functions have how many arguments?

Which of the following is a window on the screen that provides areas for entering or modifying data in a database?

A. form B. report C. change screen D. recovery screen

Which of the following is NOT true of a priority queue?

A. higher-priority items are popped before those of lower priority B. items of equal priority are popped in LIFO order C. items of equal priority are popped according to which item arrived first D. higher-priority items can jump ahead of lower-priority items